1990 GMC R1500 Suburban REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

Auto Parts Search


1990 GMC R1500 Suburban CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

Help me findSearch

Select Section

Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 GMC R1500 Suburban car and truck repair procedures including GMC engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your GMC R1500 Suburban automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >
Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for GMC mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1990 GMC R1500 Suburban vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

BRAKE SERVICE PROCEDURES FOR 1990 GMC R1500 Suburban AUTOMOBILES

POWER BRAKE UNITS, GENERAL MOTORS -> General Service -> CHECKING COMPLAINTS
Vehicle: 1990 GMC R1500 Suburban 5.7 V8 GAS

Diagnose power brakes systems as if two separate systems exist. Check for faults in the regular brake system first. If no problem exists in the regular brake system, diagnosis the power brake circuit is necessary. For a quick check of proper power unit operation, press the brake pedal firmly and then start the engine. The pedal should fall away slightly and less pressure should be needed to maintain the pedal in any position. On vacuum suspended power units, air will rush into the air intake when the brakes are applied.

To perform another check, remove the stop light switch, ...

CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban BRAKE SERVICE PROCEDURES

FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 GMC R1500 Suburban AUTOMOBILES

General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Gasoline Engines Except Equinox, Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Uplander & Vue (2004-06) & 2004-06 Envoy, Rainier & TrailBlazer -> Returnless Fuel System
Vehicle: 1990 GMC R1500 Suburban 5.7 V8 GAS

Returnless Fuel System

On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."

On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Pri...

CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban FUEL FILTER REPLACEMENT PROCEDURES

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 GMC R1500 Suburban AUTOMOBILES

CV AXLE SHAFT, Replace
Vehicle: 1990 GMC R1500 Suburban 6.2 V8 DIESEL

  • Raise and support vehicle.
  • Remove wheel and tire assembly.
  • Remove drive axle center cap, if equipped.
  • Insert a drift or large screwdriver through brake caliper into one of the brake rotor vanes in order to prevent drive axle wheel drive shaft from turning.
  • Remove nut and washer from hub. Do not reuse nut. A new nut must be used when installing wheel drive shaft.
  • Using axle remover tool No. J 45859 or equivalent, press wheel drive shaft from hub.
  • Remove bolts securing wheel dr...

CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 GMC R1500 Suburban AUTOMOBILES

Starter, Replace
Vehicle: 1990 GMC R1500 Suburban 6.2 V8 DIESEL

  • Disconnect battery ground cable.
  • Remove starter braces or heat shields, if equipped.
  • Disconnect starter solenoid electrical connectors.
  • Raise and support vehicle.
  • Remove at...

CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban STARTER & ALTERNATOR REPLACEMENT PROCEDURES

MAINTENANCE LAMP RESET PROCEDURES FOR 1990 GMC R1500 Suburban AUTOMOBILES

General Motors Corp./Saturn Trucks -> Reduce Engine Power Indicator Lamp ->
Vehicle: 1990 GMC R1500 Suburban 5.7 V8 GAS

The Reduce Engine Power indicator lamp should light for a approximately 3 seconds when the ignition is turned On as a bulb check. If the warning lamp turns On during vehicle operation, a vehicl...

CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban MAINTENANCE LAMP RESET PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 GMC R1500 Suburban AUTOMOBILES

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1990 GMC R1500 Suburban 5.7 V8 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Reposition hose clamp at heater core.
  • Remove inlet heater hose from heater core.
  • Reposition hose clamp at thermostat housing.
  • Remove inlet heater hose from thermostat housing.
  • Remove hose from vehicle.
  • Reverse proc...

CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban RADIATOR & HOSE REPLACEMENT PROCEDURES

SERPENTINE BELT SERVICE PROCEDURES FOR 1990 GMC R1500 Suburban AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1990 GMC R1500 Suburban 6.2 V8 DIESEL

  • Rotate tensioner to release belt tension, using a 1/2 inch breaker bar with a 5/8 inch socket placed on tensioner pulley.
  • Remove drive belt.
  • Route b...

CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban SERPENTINE BELT SERVICE PROCEDURES

COMPONENT LOCATION DIAGRAMS FOR 1990 GMC R1500 Suburban AUTOMOBILES

Component location diagrams for most 1990 GMC R1500 Suburban cars and light trucks sold in the U.S. from 1990+.

Vehicle Speed Sensor   Diagram for 1990 GMC R1500 Suburban  6.2 V8 DIESELVehicle Speed Sensor Diagram for 1990 GMC R1500 Suburban 6.2 V8 DIESEL

Components on diagram:
  • Vehicle Speed Sensor
  • Engine Block Heater Locations Diagram for 1990 GMC R1500 Suburban  6.2 V8 DIESELEngine Block Heater Locations Diagram for 1990 GMC R1500 Suburban 6.2 V8 DIESEL

    Components on diagram:
  • Engine Heater
  • CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1990 GMC R1500 Suburban AUTOMOBILES

    OEM drawn wiring diagrams for most 1990 GMC R1500 Suburban cars and light trucks sold in the U.S.

    1990 GMC R1500 Suburban  5.7 V8 GAS Wiring Diagram1990 GMC R1500 Suburban 5.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Blower Motor
  • Heater Blower Switch
  • Resistor
  • 1990 GMC R1500 Suburban  5.7 V8 GAS Wiring Diagram1990 GMC R1500 Suburban 5.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Cargo Lamp Switch
  • Cargo Lamp
  • Rear Gate Switch
  • CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1990 GMC R1500 Suburban AUTOMOBILES

    OEM TSB listings for most 1990 GMC R1500 Suburban cars and light trucks sold in the U.S. from 1985+.

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1990 GMC R1500 Suburban 6.2 V8 DIESEL

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED
    Vehicle: 1990 GMC R1500 Suburban 6.2 V8 DIESEL

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1990 GMC R1500 Suburban AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 GMC R1500 Suburban cars and light trucks sold in the U.S. and Canada from 1970+.

    • Brake caliper mounting bolt torque
    • Brake drum runout, machining, & discard specs
    • Minimum brake lining thickness.
    • Brake rotor runout, parallelism, machining, discard, & finish specs

    A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1990 GMC R1500 Suburban cars and light trucks sold in the U.S. and Canada from 1980+.

    • Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap

    COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.

    PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules

    QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1990 GMC R1500 Suburban cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.

    • Automatic transmission/transaxles capacities, lubricant recommendations
    • Differential/final drive capacities, lube recommendations, grades, & viscosities
    • Final drive fill & drain plug torques
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
    • Severe service maintenance & interval recommendations
    • Tire sizes, wheel nut/bolt torque, pressures & rim sizes
    • Transfer case capacities, lube recommendations, grades, & viscosities

    TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1990 GMC R1500 Suburban cars and light trucks sold in the U.S. and Canada from 1980+

    • Airflow sensor electrical specifications
    • Tensioning specifications for systems with automatic tensioners
    • Barometric pressure sensor specs
    • Battery group number and cranking performance
    • Crankshaft & camshaft position sensor resistance
    • Engine compression pressures
    • Coolant temperature sensor specs
    • Computer advance.
    • Diesel fuel temperature sensor resistance.
    • Distributor advance specifications
    • Ignition pickup coil resistance
    • Exhaust gas recirculation temperature sensor resistance
    • Engine fastener torque values
    • Firing order diagrams
    • Fuel system pressures
    • Generator (alternator) specs
    • Intake air temperature sensor specs
    • Ignition coil specifications
    • Fuel injector resistance
    • Engine idle speeds
    • Knock sensor resistance
    • Manifold absolute pressure sensor specs
    • Mixture control solenoid resistance
    • Voltage regulator specs
    • Spark plug applications & gaps
    • Starter motor electrical specs.
    • Tensioning specifications for systems without automatic tensioners
    • Throttle body temperature sensor resistance
    • Ignition timing in degrees at rpm
    • Transmission oil temperature sensor resistance
    • Throttle position sensor specs
    • Vacuum sensor valve specs

    CLICK HERE TO GET FULL ACCESS TO 1990 GMC R1500 Suburban SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 1990 GMC R1500 Suburban vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find